9841398 has 16 divisors (see below), whose sum is σ = 22494720. Its totient is φ = 2811816.

The previous prime is 9841397. The next prime is 9841421. The reversal of 9841398 is 8931489.

It is a super-2 number, since 2×9841398² = 193706229188808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 234319 = 9841398 / (9 + 8 + 4 + 1 + 3 + 9 + 8).

It is a d-powerful number, because it can be written as 9⁷ + 8 + 4⁸ + 1 + 3¹¹ + 9⁷ + 8⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9841397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117118 + ... + 117201.

It is an arithmetic number, because the mean of its divisors is an integer number (1405920).

Almost surely, 2^9841398 is an apocalyptic number.

9841398 is an abundant number, since it is smaller than the sum of its proper divisors (12653322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9841398 is a wasteful number, since it uses less digits than its factorization.

9841398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234331.

The product of its digits is 62208, while the sum is 42.

The square root of 9841398 is about 3137.1002534188. The cubic root of 9841398 is about 214.2984016615.

Subtracting from 9841398 its reverse (8931489), we obtain a palindrome (909909).

The spelling of 9841398 in words is "nine million, eight hundred forty-one thousand, three hundred ninety-eight".